/*
 * Copyright (c) 2021. Lorem ipsum dolor sit amet, consectetur adipiscing elit. 
 * Morbi non lorem porttitor neque feugiat blandit. Ut vitae ipsum eget quam lacinia accumsan. 
 * Etiam sed turpis ac ipsum condimentum fringilla. Maecenas magna. 
 * Proin dapibus sapien vel ante. Aliquam erat volutpat. Pellentesque sagittis ligula eget metus. 
 * Vestibulum commodo. Ut rhoncus gravida arcu. 
 */

public class Demo01 {
    public static void main(String[] args) {
        System.out.println("这是输出的文字");
        System.err.println("这是输入的错误信息");
        for (int i = 0; i < 0; i++) {
            System.out.println("这是输出的文字");
            System.err.println("这是输入的错误信息");
        }
        System.out.println(1);
        System.out.println(true);
//        System.out.println("aa");
        System.out.print("aa"+"\n");
        System.out.print("bb");
        System.out.println();
        System.out.print("cc");
        System.out.format("%-10s : %10s","a",true);


    }
}
